根据汉语提示,完成下列句子.每词一空.3Q
问题描述：
根据汉语提示,完成下列句子.每词一空.3Q
1.大卫比他的哥哥更细心.
David is ______ _______ _______ his brother.
2.据说,比尔·盖茨是世界上最富有的人.
It's said that Bill Gates is ______ _____ man in the world.
3.你为什么不早一点告诉我这件事?
Why not tell me about the thing ______ _____ ______?
答
1.more careful than
2.the richest
3.a little earlier